SOLUTION: What is the solution to the following system of equations?
y = x2 + 10x + 11
y = x2 + x – 7
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Question 552086: What is the solution to the following system of equations?
y = x2 + 10x + 11
y = x2 + x – 7
Answer by neatmath(302) (Show Source): You can put this solution on YOUR website!
The simplest way to do this,
is to just set the two right hand sides of the equations equal to each other.
This is because they both equal y.
given
subtracted from both sides
subtracted x from both sides
subtracted 11 from both sides
divided both sides by 9
And of course, we can then plug this value for x into either of the equations:
So our solution to this system of equations would be:
x=-2 and y=-5 or the point (-2,-5)
I hope this helps! :)
Email Scott: neatmath@yahoo.com for help with specific problems,
or to inquire about mathematics tutoring via email or other methods.
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